CN202583657U - Liquid crystal display device - Google Patents

Liquid crystal display device Download PDF

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Publication number
CN202583657U
CN202583657U CN201220180768.8U CN201220180768U CN202583657U CN 202583657 U CN202583657 U CN 202583657U CN 201220180768 U CN201220180768 U CN 201220180768U CN 202583657 U CN202583657 U CN 202583657U
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China
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electrode
liquid crystal
crystal indicator
electrodes
substrate
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CN201220180768.8U
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Chinese (zh)
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钟德镇
李永谦
戴文君
廖家德
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InfoVision Optoelectronics Kunshan Co Ltd
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InfoVision Optoelectronics Kunshan Co Ltd
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    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1337Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
    • G02F1/133707Structures for producing distorted electric fields, e.g. bumps, protrusions, recesses, slits in pixel electrodes
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1343Electrodes
    • G02F1/134309Electrodes characterised by their geometrical arrangement
    • G02F1/134363Electrodes characterised by their geometrical arrangement for applying an electric field parallel to the substrate, i.e. in-plane switching [IPS]

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Geometry (AREA)
  • Liquid Crystal (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

The utility model discloses a liquid crystal display device which comprises a first substrate, a second substrate, a liquid crystal layer and two alignment films, wherein the first substrate and the second substrate are oppositely arranged; the liquid crystal layer is clamped between the first substrate and the second substrate; the two alignment films are respectively arranged on the two substrates; the first substrate comprises a plurality of scanning lines and a plurality of data lines; the scanning lines and the data lines are intersected with each other so as to define a plurality of pixel regions; each of the pixel regions respectively comprises a plurality of first electrodes in mutual electric connection and a plurality of second electrodes in mutual electric connection; the plurality of first electrodes and the plurality of second electrodes are respectively located on different layers; the plurality of first electrodes and the plurality of second electrodes are intersected with each other so as to define a plurality of sub-pixel regions; and in each of the sub-pixel regions, two opposite raised patterns are arranged in the positions where the first electrodes and the second electrodes are not overlapped.

Description

Liquid crystal indicator
Technical field
The utility model relates to technical field of liquid crystal display, particularly a kind of liquid crystal indicator.
Background technology
(Thin Film Transistor-Liquid Crystal Display TFT-LCD) is widely used in the FPD field because of having characteristics such as low diathermaneity, thin thickness and power consumption be low Thin Film Transistor-LCD.For most desktop TFT-LCD all is to adopt TN (Twisted Nematic, twisted nematic) pattern, yet; First electrode of TN type LCD and second electrode are to be respectively formed at up and down on two substrates; Its liquid crystal molecule be with the substrate plane orthogonal in rotate because the optical anisotropy of liquid crystal molecule causes light different through the light path that gets into human eye behind the liquid crystal molecule from different perspectives; Therefore its display effect is different, must cause the problem at visual angle.
In order to solve the visual angle problem, for TN type LCD, since less demanding individual and working environment to the visual angle, the therefore general method of sticking on compensation film for angular field of view that adopts.Have relatively high expectations in the visual angle for TV and hand-held PAD product; Several kinds of novel liquid crystal display patterns; For example FFS (Fringe Field Switching, fringe field switch) pattern, IPS (In-Plane Switch, face intra) pattern etc. are applied on the Related product.Fig. 1 has disclosed the sectional structure chart of existing a kind of FFS type liquid crystal indicator; As shown in Figure 1, first electrode 81 and second electrode 82 of FFS type liquid crystal indicator 800 all are formed on the infrabasal plate, and first electrode 81 and second electrode 82 lay respectively on the different layers; And; In pixel region, first electrode 81 is whole setting, and second electrode 82 is the bar shaped setting.Fig. 2 has disclosed the sectional structure chart of existing a kind of IPS type liquid crystal indicator; As shown in Figure 2; First electrode 91 of IPS type liquid crystal indicator 900 and second electrode 92 also all are formed on the infrabasal plate, and first electrode 91 and second electrode 92 are positioned at on one deck, and; In pixel region, first electrode 91 and second electrode 92 all are the bar shaped setting and alternately arrange.Because FFS type LCD 800 all is formed on the same substrate with first electrode 81,91 and second electrode 82,92 of IPS type LCD 900; Its liquid crystal molecule is in the plane parallel with substrate, to rotate; Thereby its viewing angle characteristic is improved, and can realize that wide viewing angle shows.
Add this mode of compensate film for the TN pattern, its technical threshold is low, therefore be widely used, yet, because compensate film is fixed, can not compensate any GTG is arbitrarily angled, therefore, the intrinsic gray-scale inversion phenomenon of TN pattern still exists.For FFS pattern and IPS pattern, its technical threshold is high, patent monopolization, and usage charges are high.
Therefore, be necessary to provide improved technical scheme to overcome the above technical matters that exists in the prior art.
The utility model content
The technical problem underlying that the utility model will solve provides a kind of liquid crystal indicator, and it has wider angular field of view, higher penetrating rate, short response time.
For solving the problems of the technologies described above, the utility model provides a kind of liquid crystal indicator, and it comprises first substrate, and second substrate that is oppositely arranged of said first substrate and be folded in the liquid crystal layer between said first substrate and second substrate.Said first substrate comprises multi-strip scanning line and many data lines, and wherein said multi-strip scanning line and said many data lines intersect to limit a plurality of pixel regions each other.Wherein, Each pixel region comprises a plurality of first electrodes that are electrically connected to each other and a plurality of second electrode that is electrically connected to each other respectively; Wherein said a plurality of first electrode and said a plurality of second electrode lay respectively on the different layers, and said a plurality of first electrode and said a plurality of second electrode are intersected with each other to limit a plurality of subpixel area.Each subpixel area further comprises respectively: two raised designs that are oppositely arranged, it is separately positioned on adjacent two first electrodes, and is positioned at said adjacent two first electrodes and the non-intersect folded position of said adjacent two second electrodes.
The liquid crystal indicator of the utility model is through being provided with cross one another electrode framework and two raised designs that are oppositely arranged being set in each subpixel area in each pixel region, therefore, and when liquid crystal indicator work at the utility model; When between first electrode and second electrode, applying certain voltage difference; Then can in a sub-pixel regions, realize horizontal component of electric field being arranged existing fringe field again, the liquid crystal molecule in the liquid crystal layer can receive the double action of fringe field and horizontal component of electric field simultaneously; Utilize fringing field effect and level field effect that liquid crystal molecule is rotated; And liquid crystal molecule can rotate quickly under the effect of Double Electric power, reduces the response time of liquid crystal molecule; And under two effect of electric field, has wider angular field of view; And, can reduce the driving voltage of liquid crystal molecule, improve penetrance.
And; The liquid crystal indicator of the utility model is different from existing FFS and IPS display mode; And with respect to existing FFS and IPS display mode; It has realized integrating the advantage of FFS and two kinds of display modes of IPS, and significant to the technical monopoly of breaking FFS and IPS.
Through the detailed description below with reference to accompanying drawing, it is obvious that others of the utility model and characteristic become.But should be known in only the purpose design of this accompanying drawing, rather than as the qualification of the scope of the utility model, this is because it should be with reference to additional claim for explaining.Should also be appreciated that, only if point out in addition, unnecessary scale accompanying drawing, they only try hard to explain conceptually structure described herein and flow process.
Description of drawings
To combine accompanying drawing below, the embodiment of the utility model will be carried out detailed explanation.
Fig. 1 is the cross-sectional view of existing a kind of FFS type liquid crystal indicator;
Fig. 2 is the cross-sectional view of existing a kind of IPS type liquid crystal indicator;
Fig. 3 is the floor map of first substrate in the liquid crystal indicator of the utility model first embodiment;
Fig. 4 is the partial enlarged drawing of the sub-pixel regions among Fig. 3;
Fig. 5 a is the diagrammatic cross-section along the A-A line among Fig. 3;
Fig. 5 b is the diagrammatic cross-section along the B-B line among Fig. 3;
Fig. 5 c is the diagrammatic cross-section along the C-C line among Fig. 3;
Fig. 6 is the effect contrast figure of penetrance-voltage of liquid crystal indicator and other two kinds of liquid crystal indicators of the utility model first embodiment;
Fig. 7 is the effect contrast figure of penetrance-time of liquid crystal indicator and other two kinds of liquid crystal indicators of the utility model first embodiment;
Fig. 8 a is the liquid crystal molecule director vertical view of the pressure reduction of liquid crystal indicator between first electrode and second electrode of the utility model first embodiment when being 0V;
Fig. 8 b is the liquid crystal molecule director vertical view of the pressure reduction of another kind of liquid crystal indicator between first electrode and second electrode when being 0V;
Fig. 9 a is the liquid crystal molecule director vertical view of the pressure reduction of liquid crystal indicator between first electrode and second electrode of the utility model first embodiment when being 5V;
Fig. 9 b is the liquid crystal molecule director vertical view of the pressure reduction of another kind of liquid crystal indicator between first electrode and second electrode when being 5V;
Figure 10 a is the penetrance figure of the pressure reduction of liquid crystal indicator between first electrode and second electrode of the utility model first embodiment when being 5V;
Figure 10 b is the penetrance figure of the pressure reduction of another kind of liquid crystal indicator between first electrode and second electrode when being 5V;
Figure 11 is the effect comparison diagram of penetrance-voltage of liquid crystal indicator and the another kind of liquid crystal indicator of the utility model first embodiment;
Figure 12 a is the synoptic diagram of angular field of view of the liquid crystal indicator of the utility model first embodiment;
Figure 12 b is the synoptic diagram of the angular field of view of another kind of liquid crystal indicator;
Figure 13 is the effect comparison diagram of penetrance-voltage of liquid crystal indicator and other three kinds of liquid crystal indicators of the utility model first embodiment;
Figure 14 is the effect comparison diagram of penetrance-time of liquid crystal indicator and other three kinds of liquid crystal indicators of the utility model first embodiment;
Figure 15 is the effect comparison diagram of the penetrance-voltage of the different gap width between adjacent two first electrodes in the liquid crystal indicator of the utility model first embodiment;
Figure 16 is the effect comparison diagram of the penetrance-time of the different gap width between adjacent two first electrodes in the liquid crystal indicator of the utility model first embodiment;
Figure 17 is the effect comparison diagram of the penetrance-voltage of the different gap width between adjacent two second electrodes in the liquid crystal indicator of the utility model first embodiment;
Figure 18 is the effect comparison diagram of the penetrance-time of the different gap width between adjacent two second electrodes in the liquid crystal indicator of the utility model first embodiment;
Figure 19 is the manufacturing flow chart of first substrate in the liquid crystal indicator of the utility model first embodiment shown in Figure 3;
Figure 20 is the floor map of first substrate in the liquid crystal indicator of the utility model second embodiment;
Figure 21 a is the diagrammatic cross-section along the D-D line among Figure 20;
Figure 21 b is the diagrammatic cross-section along the E-E line among Figure 20;
Figure 21 c is the diagrammatic cross-section along the F-F line among Figure 20;
Figure 22 is the manufacturing flow chart of first substrate in the liquid crystal indicator of the utility model second embodiment shown in Figure 20;
Figure 23 is the floor map of first substrate in the liquid crystal indicator of the utility model the 3rd embodiment;
Figure 24 is first electrode and the structural representation of second electrode among Figure 23;
Figure 25 is the effect contrast figure of colour cast-angle of liquid crystal indicator and the existing FFS type liquid crystal indicator of the utility model the 3rd embodiment;
Figure 26 is the contrast of LCD degree simulate effect figure of the utility model the 3rd embodiment;
Figure 27 is the floor map of first substrate in the liquid crystal indicator of the utility model the 4th embodiment; And
Figure 28 is the partial enlarged drawing of the sub-pixel regions among Figure 27.
Embodiment
For above-mentioned purpose, the feature and advantage that make the utility model can be more obviously understandable, the embodiment of the utility model is done detailed explanation below in conjunction with accompanying drawing.
Need to prove, for illustrated clear for the purpose of, the accompanying drawing of the utility model has only shown and the architectural feature of the creation spot correlation of the utility model, has then omitted for other architectural feature.
The liquid crystal indicator of the utility model comprises first substrate 100,200,300,400 and second substrate (figure does not show) that is oppositely arranged and is sandwiched in the liquid crystal layer (figure does not show) between first substrate 100,200,300,400 and second substrate.First substrate 100,200,300,400 of the utility model can have multiple implementation, thereby forms the liquid crystal indicator of multiple implementation by the multiple first different substrate 100,200,300,400.Below will be to the liquid crystal indicator of the utility model, wherein the composition and the dot structure thereof of first substrate 100,200,300,400 particularly, and the useful technique effect that is brought is elaborated.
First embodiment
Fig. 3-4 and Fig. 5 a-5c have disclosed the structural representation of first substrate 100 in the liquid crystal indicator of the utility model first embodiment; Wherein for illustrated succinct and clear for the purpose of, Fig. 3 has only disclosed the planar structure of one of them pixel region P of first substrate 100.Also combine with reference to shown in Fig. 5 a-5c like Fig. 3 and Fig. 4, first substrate 100 of the liquid crystal indicator of the utility model first embodiment comprises transparent substrates 10 and is formed at multi-strip scanning line 11, many data lines 12 on the transparent substrates 10 and is formed on sweep trace 11 and the thin film transistor (TFT) 14 at data line 12 crossover location places.Thin film transistor (TFT) 14 comprises the grid 141 that electrically connects with sweep trace 11, semiconductor layer 142, the source electrode 143 that electrically connects with data line 12 and the drain electrode 144 that electrically connects with pixel electrode.Thereby multi-strip scanning line 11 and many 12 mutual intersections of data lines limit a plurality of pixel region P, thereby mutual intersection limits a pixel region P between promptly every adjacent two sweep traces 11 and every adjacent two data lines 12.
Each pixel region P comprises a plurality of first electrodes 15 and a plurality of second electrodes 16 that are electrically connected to each other that are electrically connected to each other.In a kind of embodiment of the utility model, a plurality of first electrodes 15 are electrically connected to each other together through electrode connecting portion 154, and electrode connecting portion 154 is parallel to the direction of second electrode 16 and is positioned at the edge of pixel region P.In the utility model, first electrode 15 and second electrode 16 and electrode connecting portion 154 are transparency electrode, and it can for example be to be formed by ITO transparent conductive materials such as (Indium Tin Oxide, tin indium oxides).A plurality of first electrodes 15 lay respectively on the different layers with a plurality of second electrodes 16 and accompany insulation course therebetween.A plurality of first electrodes 15 intersect each other fork to limit a plurality of subpixel area P1 with a plurality of second electrodes 16.Preferably, each pixel region P comprises the subpixel area P1 more than at least four respectively, thereby can improve penetrance.The number of subpixel area P1 shown in Figure 3 is merely convenient explanation and establishes, and it is not as the restriction to the utility model, and the number of the subpixel area P1 of the utility model can be according to the size and the actual process conditions choose reasonable of actual liquid crystal indicator.
Like Fig. 3 and shown in Figure 4, in each subpixel area P1, first electrode 15 of the utility model is being provided with two relative raised designs 150 with second electrode, 16 non-intersect folded positions.Wherein, raised design 150 can be triangular hill pattern or arc convex pattern, and for example perhaps other has the arc convex pattern on arc limit to the semi-cylindrical hill pattern.Explanation for ease, the utility model embodiment will be that example is introduced the utility model with triangular hill pattern 150 all.
Triangular hill pattern 150 medially is arranged on first electrode 15 among the subpixel area P1, thereby guarantees the symmetry of the electric field that liquid crystal indicator when work subpixel area P1 produces.Preferably, all triangular hill patterns 150 have identical structure, thereby guarantee the homogeneity of the electric field that liquid crystal indicator whole pixel region P of when work produces.
The liquid crystal indicator of the utility model also comprises first alignment film (figure does not show) that is arranged on first substrate 100 and is positioned at second alignment film (figure does not show) on second substrate.In the utility model; Has certain included angle φ between the summit line direction of two relative triangular hill patterns 150 among the frictional direction of first alignment film and second alignment film (R-R direction as shown in Figure 4) and each subpixel area P1; In its scope between 5 to 20 degree, preferably, said included angle is 7 degree; Thereby liquid crystal molecule 3 is initially just had along the moment that direction is reversed; Have bigger moment and response time faster, and liquid crystal molecule 3 is reversed along same direction, increased the penetrance of liquid crystal indicator.
As shown in Figure 3, in the utility model, a plurality of first electrodes 15 all are the bar shaped of almost parallel arrangement each other with a plurality of second electrodes 16.
Like Fig. 3 and shown in Figure 4, in the scope of the angle theta between first electrode 15 and second electrode 16 between 50 to 150 degree, thereby can make liquid crystal molecule have quicker response.In first embodiment of the utility model; First electrode 15 is vertical each other with second electrode 16; Particularly; A plurality of first electrodes 15 are roughly arranged along the direction that is parallel to sweep trace 11, and second electrode 16 is roughly arranged along the direction that is parallel to data line 12, thereby can make liquid crystal indicator have more regular dot structure.Yet; First electrode 15 of the utility model and the arrangement mode of second electrode 16 do not limit to this; First electrode 15 of the utility model also can be roughly arranged along one of them the direction that is parallel to data line 12 and sweep trace 11, and second electrode 16 also can be roughly arranged along another the direction that is parallel in data line 12 and the sweep trace 11.For example, in other embodiments of the utility model, a plurality of first electrodes 15 also can roughly be arranged along the direction that is parallel to data line 12, and second electrode 16 is roughly arranged along the direction that is parallel to sweep trace 11.
As shown in Figure 4; In the embodiment of the utility model; In the scope of angle between the hypotenuse of triangular hill pattern 150 and first electrode 15 between 0 to 60 degree, thereby liquid crystal molecule 3 is rotated quickly, penetrance is increased to some extent.
Shown in Fig. 5 a-5c; In first substrate 100 of the utility model first embodiment; First electrode 15 is the pixel electrode that electrically connects with the drain electrode of thin film transistor (TFT) 14 144, and triangular hill pattern 150 is arranged on the pixel electrode, and second electrode 16 is a public electrode.And in first substrate 100 of first embodiment, pixel electrode is positioned at lower floor, and public electrode is positioned at the upper strata, and promptly public electrode is positioned at the pixel electrode top, and folded insulation course is a passivation layer 18 between pixel electrode and the public electrode.
With respect to existing FFS type liquid crystal indicator at the middle and upper levels electrode in whole pixel region P, in whole pixel region P, be the structure of whole setting for the bar shaped lower electrode; The main advantage of the liquid crystal indicator of the utility model is: upper electrode on first substrate 100 and lower electrode all are the bar shaped setting in whole pixel region P; Because lower electrode is the bar shaped setting; Therefore; Lower electrode has the subregion and is not covered by transparency electrode in whole pixel region P, thereby, can improve penetrance.
The liquid crystal indicator of the utility model is made first electrode 15 and second electrode, 16 two-layer electrodes on first substrate 100; Two-layer electrode is middle with insulation course at interval; First electrode 15 and second electrode 16 are the intersection structure; And in first electrode 15 and second electrode 16 intersected formed subpixel area P1, first electrode 15 had triangular hill pattern 150 structures with second electrode, 16 non-intersect folded positions.The electrode framework and triangular hill pattern 150 structure Design of arranging in pairs or groups that the liquid crystal indicator of the utility model intersects through utilization, therefore, when liquid crystal indicator work at the utility model; When between first electrode 15 and second electrode 16, applying certain voltage difference, as shown in Figure 4, then can in a sub-pixel regions P1, realize existing fringe field; Horizontal component of electric field is arranged again; Liquid crystal molecule 3 in the liquid crystal layer can receive the double action of fringe field and horizontal component of electric field simultaneously, utilizes fringing field effect and level field effect that liquid crystal molecule 3 is rotated, and; Liquid crystal molecule 3 can rotate quickly under the effect of Double Electric power; Reduce the response time of liquid crystal molecule 3, and under two effect of electric field, can reduce the driving voltage of liquid crystal molecule 3, improve penetrance.The liquid crystal indicator of the utility model is different from existing FFS and IPS display mode; And with respect to existing FFS and IPS display mode; It has realized integrating the advantage of FFS and two kinds of display modes of IPS, and significant to the technical monopoly of breaking FFS and IPS.
In addition; The MM CAP of each dot structure only is present in the overlapping part of first electrode 15 and second electrode 16 in the liquid crystal indicator of the utility model; Compare FFS type liquid crystal indicator; The formation area of the MM CAP of the utility model is little a lot, thereby first electrode 15 is compared FFS type liquid crystal indicator with the insulation course between second electrode 16 and can be done thinlyyer in the liquid crystal indicator of the utility model; Can save the production capacity of CVD (Chemical Vapor Deposition, chemical vapor deposition).Therefore, the liquid crystal indicator of the utility model is with respect to existing FFS type liquid crystal indicator, and the processing procedure of the liquid crystal indicator of the utility model is faster than FFS type liquid crystal indicator, thereby improves production capacity.
Fig. 6 has disclosed the effect contrast figure of penetrance-voltage of liquid crystal indicator and other two kinds of liquid crystal indicators of the utility model first embodiment; 1., 2. with 3. curve among Fig. 6 all is under identical simulated conditions, to generate, and wherein 1. curve is the penetrance of the liquid crystal indicator of the crossed electrode framework of the utility model and the triangular hill patterning of arranging in pairs or groups and the relation curve of voltage; 2. curve is the penetrance of existing FFS type liquid crystal indicator and the relation curve of voltage; And 3. curve is the penetrance of the liquid crystal indicator of the crossed electrode framework of no triangular hill patterning and the relation curve of voltage.As shown in Figure 6; 3. can be drawn by curve, be designed to electrode framework intersected with each other through first electrode 15 and second electrode 16 that will be positioned at different layers, the penetrance of liquid crystal indicator is higher; But; Through the curve among Fig. 6 2. with curve contrast 3. can find out obviously that only first electrode 15 and second electrode 16 are designed to the liquid crystal indicator of crossed electrode framework, its penetrance is still not as good as in existing FFS type liquid crystal indicator; But; Curve from Fig. 6 1. with curve contrast 3. can find out obviously that through the design of the crossed electrode framework is set time collocation triangular hill patterning, the penetrance of the liquid crystal indicator of the utility model has had very big lifting; Therefore, the design with triangular hill patterning of the utility model obviously is superior to not having the design of triangular hill patterning aspect penetrance.Further; Curve from Fig. 6 1. with curve contrast 2. can obviously find out; Through the design of the crossed electrode framework is set time collocation triangular hill patterning, the penetrance of the liquid crystal indicator of the utility model even be higher than the penetrance that existing FFS type liquid crystal indicator is had.
Fig. 7 has disclosed the effect contrast figure of penetrance-time of liquid crystal indicator and other two kinds of liquid crystal indicators of the utility model first embodiment; 1., 2. with 3. curve among Fig. 7 all is under identical simulated conditions, to generate, and wherein 1. curve is the penetrance and the time relation curve of the liquid crystal indicator of the crossed electrode framework of the utility model and the triangular hill patterning of arranging in pairs or groups; 2. curve is the penetrance and the time relation curve of existing FFS type liquid crystal indicator; And 3. curve is the penetrance and the time relation curve of the liquid crystal indicator of the crossed electrode framework of no triangular hill patterning.In addition, in the table that in Fig. 7, is generated, to be penetrance be raised to 90% o'clock liquid crystal molecule 3 from 10% to Ton rotates the required time, and Toff is that penetrance drops to 10% o'clock liquid crystal molecule 3 from 90% and rotates the required time.As can be seen from Figure 7; The Ton that liquid crystal indicator had of the crossed electrode framework with triangular hill patterning of the utility model is significantly less than the liquid crystal indicator of the crossed electrode framework of no triangular hill patterning; And the Toff that is had is approaching basically with the liquid crystal indicator of the crossed electrode framework of no triangular hill patterning; And; Liquid crystal indicator compared to the crossed electrode framework of no triangular hill patterning; The Ton that liquid crystal indicator had and the Toff of the crossed electrode framework with triangular hill patterning of the utility model approach existing FFS type liquid crystal indicator more, and therefore, the design with triangular hill patterning of the utility model also obviously is superior to not having the design of triangular hill patterning on the response time.
To sum up, though the liquid crystal indicator of the crossed electrode framework of the utility model collocation triangular hill patterning aspect penetrance or all obviously optimizing in the design of the crossed electrode framework of no triangular hill patterning aspect the response time of liquid crystal molecule.
For better explanation the utility model, below compare to give prominence to the advantage of the utility model with another kind of liquid crystal indicator with the liquid crystal indicator of the utility model first embodiment.Wherein, The liquid crystal indicator of the utility model first embodiment is that two relative triangular hill patterns 150 are set on first electrode 15 in a sub-pixel regions P1, and the summit line direction of the frictional direction of first alignment film and second alignment film and two triangular hill patterns 150 has angle 7 degree.And another kind of liquid crystal indicator is in a sub-pixel regions P1; Two relative triangular hill patterns not only are set on first electrode 15; And two relative triangular hill patterns are set also on second electrode 16; Promptly in each subpixel area P1, have four triangular hill patterns; And there is not angle between the summit line direction of the frictional direction of first alignment film and second alignment film and relative two triangular hill patterns; Be its summit line direction that is parallel to two relative triangular hill patterns that are arranged on first electrode 15, and perpendicular to the summit line direction that is arranged on two relative triangular hill patterns on second electrode 16.
Fig. 8 a is the liquid crystal molecule director vertical view of the pressure reduction of liquid crystal indicator between first electrode and second electrode of the utility model first embodiment when being 0V, and Fig. 8 b is the liquid crystal molecule director vertical view of the pressure reduction of another kind of liquid crystal indicator between first electrode and second electrode when being 0V.Shown in Fig. 8 a; The liquid crystal indicator of the utility model is between respectively as first electrode 15 of pixel electrode and public electrode and second electrode 16 during no pressure reduction; When the voltage that for example applies on two electrodes all was 0V, the summit line direction of the director orientation of liquid crystal molecule 3 and relative two triangular hill patterns 150 had angle 7 degree.And shown in Fig. 8 b; Another kind of liquid crystal indicator is between respectively as first electrode 15 of pixel electrode and public electrode and second electrode 16 during no pressure reduction; There is not angle between the summit line direction of the director orientation of liquid crystal molecule 3 and relative two triangular hill patterns, promptly parallel or perpendicular to summit line direction.
Fig. 9 a is the liquid crystal molecule director vertical view of the pressure reduction of liquid crystal indicator between first electrode and second electrode of the utility model first embodiment when being 5V, and Fig. 9 b is the liquid crystal molecule director vertical view of the pressure reduction of another kind of liquid crystal indicator between first electrode and second electrode when being 5V.Shown in Fig. 9 a, the liquid crystal indicator of the utility model is when being 5V as first electrode 15 of pixel electrode and public electrode and the pressure reduction between second electrode 16 respectively, and its liquid crystal molecule reverses along unified direction.And shown in Fig. 9 b, another kind of liquid crystal indicator is when being 5V as first electrode 15 of pixel electrode and public electrode and the pressure reduction between second electrode 16 respectively, and the torsional direction of its liquid crystal molecule is divided into the both direction of symmetry.Therefore; It is bigger that spacing between second electrode 16 in the another kind of liquid crystal indicator must be provided with; Being greater than 8 microns (μ m) as the one of which just can make the torsional direction of liquid crystal molecule be divided into the both direction of symmetry; Wherein, the spacing between second electrode 16 is 11 microns (μ m) in Fig. 9 b.And that the spacing between second electrode 16 in the liquid crystal indicator of the utility model first embodiment can be provided with is smaller, and for example 5 microns (μ m) just can reach above-mentioned effect.
Figure 10 a is the penetrance figure of liquid crystal indicator when being 5V as first electrode 15 of pixel electrode and public electrode and the pressure reduction between second electrode 16 respectively of the utility model first embodiment, and the penetrance figure that Figure 10 b is another kind of liquid crystal indicator when being 5V as first electrode 15 of pixel electrode and public electrode and the pressure reduction between second electrode 16 respectively.Shown in Figure 10 a-10b, obviously, the liquid crystal indicator of the utility model first embodiment under the same conditions its penetrance greater than the penetrance of another kind of liquid crystal indicator.
Figure 11 is the effect comparison diagram of penetrance-voltage of liquid crystal indicator and the another kind of liquid crystal indicator of the utility model first embodiment; Curve among Figure 11 1. with 2. all be under identical simulated conditions, to generate, 1. curve wherein is penetrance and the relation curve of voltage of the liquid crystal indicator of the utility model first embodiment; And 2. curve is the penetrance of another kind of liquid crystal indicator and the relation curve of voltage.Shown in figure 11; At identical simulated domain; Under the identical driving voltage; The penetrance of the liquid crystal indicator of the utility model first embodiment is far above the penetrance of another kind of liquid crystal indicator, and for example under the driving voltage of 6V, the penetrance of the liquid crystal indicator of the utility model first embodiment is 8%; And the penetrance of another kind of liquid crystal indicator has only 5%, and the penetrance of the liquid crystal indicator of the utility model first embodiment is 1.6 times of another kind of liquid crystal indicator.
Figure 12 a and 12b have disclosed the effect comparison of angular field of view of liquid crystal indicator and the another kind of liquid crystal indicator of the utility model first embodiment; Wherein Figure 12 a is the synoptic diagram of angular field of view of the liquid crystal indicator of the utility model first embodiment, and Figure 12 b is the synoptic diagram of the angular field of view of another kind of liquid crystal indicator.Shown in Figure 12 a, liquid crystal indicator is 10 o'clock in contrast in the utility model first embodiment, and its visual angle, edge is respectively 58.7 degree, 67.5 degree, 80.3 degree and 72.5 degree; And shown in Figure 12 b, another kind of liquid crystal indicator is 10 o'clock in contrast, and its visual angle, edge is respectively 54.5 degree, 54.6 degree, 65.4 degree and 65.3 degree.That is to say that the liquid crystal indicator in the utility model first embodiment has higher angular field of view with respect to another kind of liquid crystal indicator.
In addition, also will compare advantage below with liquid crystal indicator and three kinds of other other liquid crystal indicators of the utility model first embodiment with outstanding the utility model.Wherein, The liquid crystal indicator of the utility model first embodiment is that two relative triangular hill patterns 150 (promptly having only two triangular hill patterns in the sub-pixel regions P1) are set on first electrode 15 in a sub-pixel regions P1, and the summit line direction of the frictional direction of first alignment film and second alignment film and relative two triangular hill patterns 150 has angle 7 degree.First kind of other liquid crystal indicator is that two relative triangular hill patterns 150 (promptly having only two triangle patterns in the sub-pixel regions P1) are set on first electrode 15 in a sub-pixel regions P1; And the frictional direction of first alignment film and second alignment film is parallel with the summit line direction of two relative triangular hill patterns 150, does not promptly have angle.Second kind of other liquid crystal indicator is in a sub-pixel regions P1; Two relative triangular hill patterns not only are set on first electrode 15; And two relative triangular hill patterns (promptly in each subpixel area P1, having four triangular hill patterns) also are being set on second electrode 16, and there is not angle between the summit line direction of two relative triangular hill patterns on the frictional direction of first alignment film and second alignment film and first electrode 15.The third other liquid crystal indicator is in a sub-pixel regions P1; Two relative triangular hill patterns not only are set on first electrode 15; And two relative triangular hill patterns (promptly in each subpixel area P1, having four triangular hill patterns) also are being set on second electrode 16, and have angle 7 degree between the summit line direction of two relative triangular hill patterns on first alignment film and second alignment film and first electrode 15.
Figure 13 is the effect comparison diagram of penetrance-voltage of liquid crystal indicator and other three kinds of liquid crystal indicators of the utility model first embodiment; 1., 2., 3. with 4. curve among Figure 13 all is under identical simulated conditions, to generate; Wherein 1. curve is penetrance and the relation curve of voltage of the liquid crystal indicator of the utility model first embodiment; 2. curve is the penetrance of first kind of other liquid crystal indicator and the relation curve of voltage; 3. curve is the penetrance of second kind of other liquid crystal indicator and the relation curve of voltage, and 4. curve is the penetrance of the third other liquid crystal indicator and the relation curve of voltage.Under identical driving voltage; 1. and 2. can know that by the curve among Figure 13 the technical scheme that has two raised designs and have an angle of the utility model obviously is superior to having two raised designs and the technical scheme of not having angle, 3. and 4. can be known by the curve among Figure 13 aspect penetrance; The technical scheme that has four raised designs and do not have an angle obviously is superior to having four raised designs and has the technical scheme of angle aspect penetrance; And, can obviously find out whether have angle all is superior to having four raised designs aspect penetrance technical scheme no matter have the technical scheme of two raised designs by four curves among Figure 13; And; Shown in figure 13, under identical simulated domain, identical driving voltage, the liquid crystal indicator of the utility model first embodiment has the highest penetrance.
Figure 14 is the effect comparison diagram of penetrance-time of liquid crystal indicator and other three kinds of liquid crystal indicators of the utility model first embodiment; 1., 2., 3. with 4. curve among Figure 14 all is under identical simulated conditions, to generate; Wherein 1. curve is the penetrance and the time relation curve of the liquid crystal indicator of the utility model first embodiment; 2. curve is the penetrance and the time relation curve of first kind of other liquid crystal indicator; 3. curve is the penetrance and the time relation curve of second kind of other liquid crystal indicator, and 4. curve is the penetrance and the time relation curve of the third other liquid crystal indicator.1. and 2. can know by the curve among Figure 14; The technical scheme that has two raised designs and have an angle of the utility model obviously is superior in penetrance with on the response time having two raised designs and the technical scheme of not having angle; 3. and 4. can know to have four raised designs and the technical scheme of not having an angle obviously is superior to having four raised designs and has the technical scheme of angle in penetrance with on the response time by the curve among Figure 14, and; Four curves by among Figure 14 can obviously be found out; Whether have angle all is superior to having four raised designs in penetrance with on the response time technical scheme no matter have the technical scheme of two raised designs, and, shown in figure 14; Under identical simulated conditions, the liquid crystal indicator of the utility model first embodiment has best response time and the highest penetrance.
Please continue to consult Fig. 3-4, in the utility model, in the scope of width L2 between 2 to 5 microns of the width L1 of first electrode 15 and second electrode 16.Owing to disclination line (disclination line) can occur directly over first electrode 15 and second electrode 16; So the width L2 of the width L1 of first electrode 15 and second electrode 16 is more carefully good more; But consider the restriction of actual processing procedure ability; According to process rate, it is better preferably width L1, the L2 of first electrode 15 and second electrode 16 to be made as the 2-5 micron.
In addition; In subpixel area P1; Because first electrode 15 is positioned under second electrode 16; Therefore in the scope of gap width L3 between 3 to 8 microns (μ m) between adjacent two second electrodes 16 on upper strata, and in the scope of gap width L4 between 0 to 6 micron (μ m) between adjacent two first electrodes 15 of lower floor, between the triangular hill pattern 150 on adjacent two first electrodes 15 at interval the scope of distance L 5 between 0 to 6 micron (μ m).
Figure 15 is the effect comparison diagram of penetrance-voltage of the different gap width L4 between adjacent two first electrodes 15 in the liquid crystal indicator of the utility model first embodiment.Shown in figure 15; When the pressure reduction between first electrode 15 and second electrode 16 is 5V; When the gap width L4 between adjacent two first electrodes 15 is respectively 2 microns (μ m), 3 microns (μ m), 4 microns (μ m), 5 microns (μ m) and 6 microns (μ m); The penetrance of the liquid crystal indicator of the utility model first embodiment is followed successively by 8.5%, 8.3%, 7.3%, 6.5% and 5.5% respectively, and the gap width L4 between adjacent two first electrodes 15 is greater than 6 microns (μ m) time; Its penetrance significantly descends; Therefore the gap width L4 between adjacent two first electrodes 15 is preferably less than 6 microns (μ m), in the utility model, preferably in the scope between 0 to 6 micron (μ m).
Figure 16 is the effect comparison diagram of penetrance-time of the different gap width L4 between adjacent two first electrodes 15 in the liquid crystal indicator of the utility model first embodiment.Shown in figure 16; When the gap width L4 between adjacent two first electrodes 15 is respectively 2 microns (μ m), 3 microns (μ m), 4 microns (μ m), 5 microns (μ m) and 6 microns (μ m); The response time of the liquid crystal indicator of the utility model first embodiment is followed successively by 27.87 milliseconds (ms), 30.58 milliseconds (ms), 29.76 milliseconds (ms), 29.17 milliseconds (ms) and 39.82 milliseconds (ms) respectively; And; Gap width L4 between adjacent two first electrodes 15 is during greater than 6 microns (μ m), and its response time significantly increases, and therefore the gap width L4 between adjacent two first electrodes 15 is preferably less than 6 microns (μ m); In the utility model, preferably in the scope between 0 to 6 micron (μ m).
Figure 17 is the effect comparison diagram of penetrance-voltage of the different gap width L3 between adjacent two second electrodes 16 in the liquid crystal indicator of the utility model first embodiment.Shown in figure 17; When the pressure reduction between first electrode 15 and second electrode 16 is 5V; When the gap width L3 between adjacent two second electrodes 16 was respectively 3 microns (μ m), 4 microns (μ m), 5 microns (μ m), 6 microns (μ m) and 7 microns (μ m), the penetrance of the liquid crystal indicator of the utility model first embodiment was followed successively by 5.3%, 7.0%, 7.3%, 7.7% and 8.0% respectively, and; Gap width L3 between adjacent two second electrodes 16 is less than 4 microns (μ m) time; Its penetrance significantly descends, and therefore, the gap width L3 between adjacent two second electrodes 16 is preferably more than 4 microns (μ m); In the utility model; Gap width L3 between adjacent two second electrodes 16 is limited in 3 to 8 microns scopes between (μ m), preferably, and in the scope between 4 to 7 microns (μ m).
Figure 18 is the effect comparison diagram of penetrance-time of the different gap width L3 between adjacent two second electrodes 16 in the liquid crystal indicator of the utility model first embodiment.Shown in figure 17; When the gap width L3 between adjacent two second electrodes 16 is respectively 3 microns (μ m), 4 microns (μ m), 5 microns (μ m), 6 microns (μ m) and 7 microns (μ m); The response time of the liquid crystal indicator of the utility model first embodiment is followed successively by 32.48 milliseconds (ms), 30.66 milliseconds (ms), 29.85 milliseconds (ms), 30.90 milliseconds (ms) and 29.10 milliseconds (ms) respectively; And the gap width L3 between adjacent two second electrodes 16 is less than 4 microns (μ m) time, and its response time significantly increases; Therefore; Gap width L3 between adjacent two second electrodes 16 is preferably more than 4 microns (μ m), and in the utility model, the gap width L3 between adjacent two second electrodes 16 is limited in 3 to 8 microns scopes between (μ m); Preferably, in the scope between 4 to 7 microns (μ m).
First substrate 100 of the utility model first embodiment can adopt following six road light shield processing procedures to make.Figure 19 has disclosed the manufacturing process of first substrate 100 of the utility model first embodiment.Below will and combine the manufacture process of first substrate 100 of first embodiment to be described in detail with reference to Fig. 3 and Fig. 5 a-5c with reference to Figure 19.
Also combine in step S11, to adopt the first road light shield processing procedure like Figure 19, form the first metal layer, and the first metal layer is carried out patterning with reference to shown in Fig. 3 and Fig. 5 a-5c.
Particularly; On transparent substrates 10, form the first metal layer and first photoresist layer successively, first photoresist layer is carried out exposure imaging, thereby form the first photoresist layer pattern with the first road mask pattern; Be that shade carries out etching to realize patterning to the first metal layer with the first photoresist layer pattern again; Thereby form the grid 141 of sweep trace 11 and thin film transistor (TFT) 14, subsequently, remove first photoresist layer.
In step S12, adopt the second road light shield processing procedure, form gate insulator 17, amorphous silicon layer and doped amorphous silicon layer successively, and doped amorphous silicon layer and amorphous silicon layer are carried out patterning.
Particularly; On the transparent substrates 10 of the first metal layer, form gate insulator 17, amorphous silicon layer, doped amorphous silicon layer and second photoresist layer successively, second photoresist layer is carried out exposure imaging, thereby form the second photoresist layer pattern with the second road mask pattern with patterning; Be that shade carries out etching to realize patterning to doped amorphous silicon layer and amorphous silicon layer with the second photoresist layer pattern again; Thereby form the semiconductor layer 142 of thin film transistor (TFT) 14, subsequently, remove second photoresist layer.
In step S13, adopt the 3rd road light shield processing procedure, form first transparent conductive material layer, and first transparent conductive material layer is carried out patterning.
Particularly; Form first transparent conductive material layer and the 3rd photoresist layer successively on the transparent substrates 10 after forming the second road mask pattern; With the 3rd road mask pattern the 3rd photoresist layer is carried out exposure imaging; Thereby forming the 3rd photoresist layer pattern, is that shade carries out etching to realize patterning to first transparent conductive material layer with the 3rd photoresist layer pattern again, reaches the triangular hill pattern 150 in the position that bar shaped pixel electrode 15 and the public electrode (i.e. second electrode 16) that forms subsequently do not overlap thereby form a plurality of bar shaped pixel electrodes that are electrically connected to each other (i.e. first electrode 15); Subsequently, remove the 3rd photoresist layer.
In step S14, adopt the 4th road light shield processing procedure, form second metal level, and second metal level is carried out patterning.
Particularly; Form second metal level and the 4th photoresist layer successively on the transparent substrates 10 after forming the 3rd road mask pattern; With the 4th road mask pattern the 4th photoresist layer being carried out exposure imaging, thereby form the 4th photoresist layer pattern, is that shade carries out etching to realize patterning to second metal level with the 4th photoresist layer pattern again; Thereby second metal level by through patterning forms the source electrode 143 of data line 12, thin film transistor (TFT) 14 and drains 144; Pixel electrode 15 directly electrically contacts with the drain electrode 144 of thin film transistor (TFT) 14, subsequently, removes the 4th photoresist layer.
In step S15, adopt the 5th road light shield processing procedure, form passivation layer 18, and passivation layer 18 is carried out patterning.
Particularly; Form passivation layer 18 and the 5th photoresist layer successively on the transparent substrates 10 after forming the 4th road mask pattern, with the 5th road mask pattern the 5th photoresist layer is carried out exposure imaging, thereby form the 5th photoresist layer pattern; Being shade with the 5th photoresist layer pattern again carries out etching to realize patterning to the gate insulator 17 of passivation layer 18 and passivation layer 18 belows; Thereby formation needs the via hole (figure does not show) of bridge circuit part, subsequently, removes the 5th photoresist layer.
In step S16, adopt the 6th road light shield processing procedure, form second transparent conductive material layer, and second transparent conductive material layer is carried out patterning.
Particularly; Form second transparent conductive material layer and the 6th photoresist layer successively on the transparent substrates 10 after forming the 5th road mask pattern, with the 6th road mask pattern the 6th photoresist layer is carried out exposure imaging, thereby form the 6th photoresist layer pattern; Be that shade carries out etching to realize patterning to second transparent conductive material layer with the 6th photoresist layer pattern again; Thereby form a plurality of bar shaped public electrodes 16 that are electrically connected to each other, subsequently, remove the 6th photoresist layer.
Through above step S11-S16, formed first substrate 100 of the utility model first embodiment.
Second embodiment
Figure 20 and Figure 21 a-21c have disclosed the structural representation of first substrate 200 in the liquid crystal indicator of the utility model second embodiment; Likewise; For illustrated succinct and clear for the purpose of, Figure 20 has also only disclosed the planar structure of one of them pixel region P of first substrate 200.The something in common of first substrate 100 of first substrate 200 and first embodiment repeats no more at this in the liquid crystal indicator of second embodiment; Its difference is: also combine with reference to shown in Figure 21 a-21c like Figure 20; In first substrate 200 of second embodiment; First electrode 15 is a public electrode, and triangular hill pattern 150 is arranged on the public electrode, and second electrode 16 is a pixel electrode.And; The difference of first substrate 200 of second embodiment and first substrate 100 of first embodiment also is: in first substrate 200 of second embodiment; Public electrode is positioned at lower floor; Pixel electrode is positioned at the upper strata, and promptly pixel electrode is positioned at the public electrode top, and folded insulation course comprises gate insulator 17 and passivation layer 18 between pixel electrode and the public electrode.
Similarly, first substrate 200 of second embodiment can adopt following six road light shield processing procedures to make, but slightly different with the processing procedure of first substrate 100 of first embodiment.Figure 22 has disclosed the manufacturing process of first substrate 200 of the utility model second embodiment.Below will and combine the manufacture process of first substrate 200 of second embodiment to be described in detail with reference to Figure 20 and Figure 21 a-21c with reference to Figure 22.
Also combine with reference to shown in Figure 20 and Figure 21 a-21c like Figure 22; In step S21; Adopt the first road light shield processing procedure; Form first transparent conductive material layer, and first transparent conductive material layer is carried out patterning, reach triangular hill pattern 150 in the position that bar shaped public electrode 15 and the pixel electrode 16 that forms subsequently do not overlap thereby form a plurality of bar shaped public electrodes that are electrically connected to each other 15.
In step S22; Adopt the second road light shield processing procedure, form the first metal layer, and the first metal layer is carried out patterning; Thereby form the grid 141 of sweep trace 11, public electrode bus 13 and thin film transistor (TFT) 14, bar shaped public electrode 15 directly electrically contacts with public electrode bus 13.
In step S23, adopt the 3rd road light shield processing procedure, form gate insulator 17, amorphous silicon layer and doped amorphous silicon layer successively, and doped amorphous silicon layer and amorphous silicon layer are carried out patterning, thus the semiconductor layer 142 of formation thin film transistor (TFT) 14.
In step S24, adopt the 4th road light shield processing procedure, form second metal level, and second metal level is carried out patterning, thereby form the source electrode 143 of data line 12, thin film transistor (TFT) 14 and drain 144.
In step S25; Adopt the 5th road light shield processing procedure; Form passivation layer 18; And passivation layer 18 carried out patterning, thereby form via hole H and other via hole that needs the bridge circuit part (figure does not show) that the drain electrode 144 that makes it pixel electrode 16 that the back forms and thin film transistor (TFT) 14 can electrically connect.
In step S26; Adopt the 6th road light shield processing procedure; Form second transparent conductive material layer; And second transparent conductive material layer carried out patterning, thus forming a plurality of bar shaped pixel electrodes 16 that are electrically connected to each other, pixel electrode 16 is through drain electrode 144 electric connections of via hole H with thin film transistor (TFT) 14.
Through above step S21-S26, formed first substrate 200 of the utility model second embodiment.
The liquid crystal indicator of the liquid crystal indicator of second embodiment and first embodiment is except that slightly different on the processing procedure of first substrate, and the two has similar useful technique effect, so, repeat no more at this.
The 3rd embodiment
Figure 23 and Figure 24 have disclosed the structural representation of first substrate 300 in the liquid crystal indicator of the utility model the 3rd embodiment.The something in common of first substrate 100 of first substrate 300 and first embodiment repeats no more at this in the liquid crystal indicator of the 3rd embodiment; Its difference is: like Figure 23 and shown in Figure 24; In first substrate 300 of the 3rd embodiment; First electrode 15 and second electrode 16 are not along line spread but are the bending arrangement, cooperate the bending of first electrode 15 and second electrode 16 to arrange, and data line 12 also correspondingly is bending and arranges; Wherein, First electrode 15 comprises first electrode part 151 of arranging along first direction and comprises the four directions, edge that intersects along third electrode portion 161 that third direction is arranged and with second electrode part 152 that intersects with first electrode part 151 to the 4th electrode part 162 of arranging along second electrode part, 152, the second electrodes 16 that the second direction that is different from first direction is arranged, thereby can a pixel region P be divided into two zones; When liquid crystal indicator is worked; Then liquid crystal molecule 3 can form two different rotation zones in a pixel region P, in a pixel region P, forms two farmlands (domain), therefore; Colour cast (color shift) phenomenon of liquid crystal indicator can be obviously improved, the better pictures display effect can be formed.
In a kind of embodiment of the utility model; First electrode part 151 of a plurality of first electrodes 15 is electrically connected to each other together through first electrode connecting portion 1541; Second electrode part 152 of a plurality of first electrodes 15 is electrically connected to each other together through second electrode connecting portion 1542; And first electrode connecting portion 1541 is parallel to third direction and is positioned at the edge of pixel region P, second electrode connecting portion 1542 be parallel to the four directions to and be positioned at the edge of pixel region P.
In the 3rd embodiment of the utility model; Third direction is perpendicular to first direction; The four directions is to perpendicular to second direction; Promptly first electrode part 151 of first electrode 15 is vertical each other with the third electrode portion 161 of second electrode 16, and second electrode part 152 of first electrode 15 is vertical each other with the 4th electrode part 162 of second electrode 16.
In the 3rd embodiment, first electrode 15 is a pixel electrode, and triangular hill pattern 150 is arranged on the pixel electrode, and second electrode 16 is a public electrode.
Shown in figure 24; In this embodiment; Between the frictional direction R-R of the summit line direction of two triangular hill patterns 150 that are oppositely arranged on adjacent two first electrode part 151 of first electrode 15 and first alignment film and second alignment film, have included angle, and in its scope between 5 to 20 degree.And, also have the included angle in 5 to the 20 degree scopes between the summit line direction of two triangular hill patterns 150 that are oppositely arranged on adjacent two second electrode part 152 of first electrode 15 and the frictional direction R-R of first alignment film and second alignment film.
And; Because being bending respectively, first electrode 15 and second electrode 16 arrange; Therefore in the utility model; Can be through the bending degree of adjustment first electrode 15 and second electrode 16; On the basis of the frictional direction R-R that does not change first alignment film and second alignment film; Make two angles that between the summit of two on the first electrode part 151 triangular hill patterns 150 that are oppositely arranged line direction and the frictional direction R-R at the summit of two on the second electrode part 152 triangular hill patterns 150 that are oppositely arranged line direction and first alignment film and second alignment film, have identical, and all be in the scope between 5 to 20 degree, just the direction of two angles is different.
First substrate 300 of the 3rd embodiment can adopt with first substrate, the 100 essentially identical six road light shield processing procedures of first embodiment and make, and repeats no more at this.
The liquid crystal indicator of the 3rd embodiment is except the similar useful technique effect of the liquid crystal indicator with first embodiment, and it can also improve color offset phenomenon better, has the better pictures display effect.Figure 25 has disclosed the effect contrast figure of colour cast-angle of liquid crystal indicator and the existing FFS type liquid crystal indicator of the utility model the 3rd embodiment, and wherein 1. curve is the relation curve of the colour cast-angle of the liquid crystal indicator with two farmlands of the utility model the 3rd embodiment; And 2. curve is the relation curve of the colour cast-angle of existing FFS type liquid crystal indicator with two farmlands.Shown in figure 25; Curve from Figure 25 1. with curve contrast 2. can find out; The liquid crystal indicator with two farmlands of the utility model the 3rd embodiment has the colour cast effect of comparing mutually with existing FFS type liquid crystal indicator with two farmlands; And; In the art will be at the visual angle (promptly and the viewing angle between the normal direction of liquid crystal indicator) be that 60 hue error values when spending all are regarded as having preferable colour cast effect less than 0.02,1. the curve from Figure 25 can find out, the liquid crystal indicator with two farmlands of the utility model the 3rd embodiment is that 60 hue error values when spending are approximately 0.0115 at the visual angle; Therefore, can satisfy the requirement of this area well for colour cast.
Figure 26 has disclosed the contrast of LCD degree simulate effect figure of the utility model the 3rd embodiment.Can find out obviously that from the analog result of Figure 26 the liquid crystal indicator of the utility model the 3rd embodiment has the visual angle and the contrast of superelevation.
First electrode 15 in first substrate 300 of the 3rd embodiment and the bending of second electrode 16 design go in first substrate 200 of second embodiment equally; The bending of first electrode 15 and second electrode 16 design is applied to formed liquid crystal indicator has the useful technique effect similar with the liquid crystal indicator of the 3rd embodiment in first substrate 200 of second embodiment; So, also repeat no more at this.
The 4th embodiment
Figure 27 and Figure 28 have disclosed the structural representation of first substrate 400 in the liquid crystal indicator of the utility model the 4th embodiment; Likewise; For illustrated succinct and clear for the purpose of, Figure 27 has also only disclosed the planar structure of one of them pixel region P of first substrate 400.The something in common of first substrate 100 of first substrate 400 and first embodiment repeats no more at this in the liquid crystal indicator of the 4th embodiment; Its difference is: like Figure 27 and shown in Figure 28; In first substrate 400 of the 4th embodiment; A plurality of first electrodes 15 that are electrically connected to each other also are electrically connected to each other together through a plurality of connecting portions 157, and a plurality of connecting portions 157 are positioned at on one deck with a plurality of first electrodes 15, and lay respectively on the different layers with a plurality of second electrodes 16.And a plurality of connecting portions 157 are parallel to a plurality of second electrodes 16 respectively and it is right against a plurality of second electrodes 16 respectively; For example; Each connecting portion 157 is set directly at respectively under second electrode 16 of a correspondence, so that each connecting portion 157 is overlapped with one second corresponding electrode 16 at least.In addition, insulation course capable of using and separating between the connecting portion 157 and second electrode 16.Because connecting portion 157 is parallel respectively and face second electrode 16; Therefore it can increase the overlapping area between first electrode 15 and second electrode 16; Then the MM CAP of pixel region P can increase; Thereby avoided the too small a series of electrical problem of bringing of MM CAP, like voltage retention, feed-trough voltage (feed-through voltage) is excessive or the like.
In addition; It will be understood by those skilled in the art that; The manufacturing method thereof of first substrate 400 of the utility model the 4th embodiment is similar with the manufacturing method thereof of first substrate; Just when processing first electrode 15, process connecting portion 157 in the lump, promptly first electrode 15 is to form with making in the processing procedure with connecting portion 157.
Used concrete example among this paper the principle and the embodiment of the liquid crystal indicator of the utility model are set forth, the explanation of above embodiment just is used to help to understand the method and the core concept thereof of the utility model; Simultaneously; For one of ordinary skill in the art; According to the thought of the utility model, the part that on embodiment and range of application, all can change, in sum; This description should not be construed as the restriction to the utility model, and the protection domain of the utility model should be as the criterion with appended claim.

Claims (20)

1. a liquid crystal indicator is characterized in that, said liquid crystal indicator comprises:
First substrate;
Second substrate is oppositely arranged with said first substrate;
Liquid crystal layer is folded between said first substrate and said second substrate;
Wherein, said first substrate comprises:
The multi-strip scanning line; And
Many data lines, wherein said multi-strip scanning line and said many data lines intersect to limit a plurality of pixel regions each other;
Wherein, each pixel region comprises respectively:
A plurality of first electrodes that are electrically connected to each other; And
A plurality of second electrodes that are electrically connected to each other, wherein said a plurality of first electrodes and said a plurality of second electrode lay respectively on the different layers, and said a plurality of first electrode and said a plurality of second electrode are intersected with each other to limit a plurality of subpixel area;
Wherein, each subpixel area further comprises respectively:
Two raised designs that are oppositely arranged, it is separately positioned on adjacent two first electrodes, and is positioned at said adjacent two first electrodes and the non-intersect folded position of adjacent two second electrodes.
2. liquid crystal indicator as claimed in claim 1 is characterized in that, said two raised designs that are oppositely arranged medially are arranged on said adjacent two first electrodes.
3. liquid crystal indicator as claimed in claim 1 is characterized in that, said raised design is triangular hill pattern or arc convex pattern.
4. liquid crystal indicator as claimed in claim 3; It is characterized in that; Said liquid crystal indicator further comprises and is arranged on first alignment film on said first substrate and is arranged on second alignment film on said second substrate; Wherein, has an angle between the summit line direction of the frictional direction of said first alignment film and said second alignment film and said two relative raised designs.
5. liquid crystal indicator as claimed in claim 3 is characterized in that, when said raised design is the triangular hill pattern, in the scope of the angle between its hypotenuse and said first electrode between 0 to 60 degree.
6. liquid crystal indicator as claimed in claim 1 is characterized in that, one of them of said first electrode and said second electrode is pixel electrode, and another of said first electrode and said second electrode is public electrode.
7. liquid crystal indicator as claimed in claim 1 is characterized in that, in the scope of the width of said first electrode and said second electrode between 2 to 5 microns.
8. liquid crystal indicator as claimed in claim 1; It is characterized in that; Said first electrode is positioned under said second electrode; And in the scope of adjacent two first gaps between electrodes width between 0 to 6 micron of lower floor, and in the scope of adjacent two second gaps between electrodes width between 3 to 8 microns on upper strata.
9. liquid crystal indicator as claimed in claim 8 is characterized in that, in the scope of the gap width between the summit of said two raised designs that are oppositely arranged between 0 to 6 micron.
10. liquid crystal indicator as claimed in claim 1 is characterized in that, said a plurality of first electrodes and said a plurality of second electrode are the bar shaped of almost parallel arrangement each other respectively.
11. liquid crystal indicator as claimed in claim 10 is characterized in that, each pixel region further comprises:
At least one electrode connecting portion, so that said a plurality of first electrodes are electrically connected to each other together, wherein said electrode connecting portion is parallel to said a plurality of second electrode and is positioned at the edge of said pixel region.
12. liquid crystal indicator as claimed in claim 1 is characterized in that, each pixel region further comprises:
A plurality of connecting portions; So that said a plurality of first electrodes are electrically connected to each other together; Wherein said a plurality of connecting portion and said a plurality of first electrode are positioned at on one deck; And lay respectively on the different layers with said a plurality of second electrodes, and said a plurality of connecting portion is parallel to said a plurality of second electrode respectively and is right against said a plurality of second electrode respectively, so that each connecting portion second electrode corresponding with overlapped at least.
13. liquid crystal indicator as claimed in claim 1; It is characterized in that; Said first electrode and said second electrode all are bending; Said first electrode comprises first electrode part of arranging along first direction and second electrode part of arranging along the second direction that is different from said first direction, and said second electrode comprises that the four directions, edge that intersects along third electrode portion that third direction is arranged and with said second electrode part that intersects with said first electrode part is to the 4th electrode part of arranging.
14. liquid crystal indicator as claimed in claim 13 is characterized in that, said third direction is perpendicular to said first direction, and said four directions is to perpendicular to said second direction.
15. liquid crystal indicator as claimed in claim 13 is characterized in that, each pixel region further comprises:
At least one first electrode connecting portion is electrically connected to each other together with first electrode part with said a plurality of first electrodes, and said first electrode connecting portion is parallel to said third direction and is positioned at the edge of said pixel region; And
At least one second electrode connecting portion is electrically connected to each other together with second electrode part with said a plurality of first electrodes, and said second electrode connecting portion be parallel to said four directions to and be positioned at the edge of said pixel region.
16. liquid crystal indicator as claimed in claim 13; It is characterized in that; Said first electrode part and said third electrode portion intersect limiting a plurality of subpixel area each other, and in each subpixel area, on adjacent two first electrode part two relative raised designs are set respectively; And said second electrode part and said the 4th electrode part intersect limiting a plurality of subpixel area each other, and in each subpixel area, on adjacent two second electrode part two relative raised designs are set respectively.
17. liquid crystal indicator as claimed in claim 16; It is characterized in that; Said liquid crystal indicator further comprises and is arranged on first alignment film on said first substrate and is arranged on second alignment film on said second substrate; Wherein, the angle between angle between the frictional direction of the summit line of said two the relative raised designs on said first electrode part and said first alignment film and said second alignment film and the frictional direction at the summit line of said two the relative raised designs on said second electrode part and said first alignment film and said second alignment film equates.
18. liquid crystal indicator as claimed in claim 1 is characterized in that, in the scope of the angle between said first electrode and said second electrode between 50 to 150 degree.
19. liquid crystal indicator as claimed in claim 18; It is characterized in that; Said first electrode is vertical each other with said second electrode; Said first electrode is roughly arranged along one of them the direction that is parallel to said sweep trace and said data line, and said second electrode is roughly arranged along another the direction that is parallel in said sweep trace and the said data line.
20. liquid crystal indicator as claimed in claim 1 is characterized in that, each pixel region comprises the subpixel area more than at least four.
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